Tender For Restoration Of Damaged Hard Shoulder/ Flank/ Black Top, Caused Due To Pipe Laying By Phe Department Along Bindol-Bishnupur Road, Protection Work At Bridge Approaches At 3Rd Km And Repairing Of Damage Concrete Railing Of Kahali Bridge Under
Tender Overview
Project Description
Tender for Restoration Of Damaged Hard Shoulder/ Flank/ Black Top, Caused Due To Pipe Laying By Phe Department Along Bindol-Bishnupur Road, Protection Work At Bridge Approaches At 3Rd Km And Repairing Of Damage Concrete Railing Of Kahali Bridge Under Uttar Dinajpur Highway Division In The District Of Uttar Dinajpur.
BOQ
| Sl. No. | Item Description |
| 1 | Excavation in Soil with Dozer with lead up to 100 metres Excavation for road way in soil by mechanical means including cutting and pushing the earth to site of embankment up to a distance of 100 metres (average lead 50 metres),including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections. |
| 2 | Construction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401. By Mix in Place Method. GSB Grade-V. Using Pakur variety stone materials. |
| 3 | Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications (Reference to MORT&H's specification 2504). |
| 4 | Dismantling and removing of Damaged Concrete Railing. |
| 5 | Furnishing and Placing Reinforced/ Prestressed cement concrete in super structure all including vibrating and compacting, finishing, curing, sampling, testingetc. by mechanically mixed as per clause 1719 of MoRTH but excluding the cost of materials as per drawing and Technical Specification (Reference toMORT&H's specifications 1500, 1600,1700 & 1800). RCC Grade M25. Using concrete Mixer. For solid slab super-structure. Height upto 5m. |
| 6 | Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper postion of uncoated HYSD reinforcement bar in super-structure completeas per drawing and technical specifications (Reference to MORT&H's specification 1600) . |
| 7 | Providing crushed stone aggregate conforming to table400-14 ,depositing on a prepared surface by hauling vehicles, spreading and mixingwitha motor grader, watering and compacting with a vibratory roller to clause 407 to forma layer of sub base/Base (Reference to MoRT&H's specification 407).By Mix in Place Method.For 53 mm maximum size. |
| 8 | Providing and applying primer coat with cationic bitumen emulsion CSS1 grade conforming to IS:8887 on prepared porous granular surfaceincluding clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). On WMM/WBM surface @ 0.70-1.0kg /sqm. |
| 9 | Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On Granular surface treated with primer @ 0.25kg-0.30 /sqm. |
| 10 | Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work. |
| 11 | Filling Pot-holes and Patch Repairs with open-Graded Premix surfacing, 20mm.Removal of all failed material,in the pavement courses and if necessary below the pavement,until the root causes of the failure is removed, the trimming of completed excavation to provide firm vertical faces; specified for the pavement layer; application of tack coat conforming to cl. 503 of MORT&H's specification ,on to the sides and base of excavation prior to placing hot bituminous material as per clause 510 and the compaction,trimming and finishing of the surfaces of all patches to form a smooth continuous surface, level with the surrounding road as per the requirement of clause 3004.2 of MORT&H's specification .Using Mobile hot mix plant (Light duty ) |
| 12 | Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material (Reference to MORT&H's specification 304).Mechanical Means. Depth upto 3 m. |
| 13 | Providing and laying of boulder apron laid in wire crates made with 4mm dia wire dia not less than 4mm GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh Mesh size not more than 150mm (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each ( Tensile strength 300-450mpa, size of wire crates 3.0mx1.50mx1.25 m) (Reference to MORT&H's specification 2503). |
| 14 | Back filling behind abutment, wing wall and return wall complete including spriklring water and throughly compacted with plate compactor/power rammer in layers not exceeding 150mm compacted thickness as per drawing and Technical Specification (710.1.4 of IRC:78 & MoRTH's specification 2200). |
| 15 | Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M15. Using Concrete Mixer. Using Pakur variety stone aggregates. |
| 16 | Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC/PVC/HDPC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 2706 & 2200). |
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